How do I manage my fever?

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Last updated: September 10, 2025View editorial policy

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Managing Fever

For fever management, drink fluids regularly to avoid dehydration (no more than 2 liters per day) and take paracetamol if you have fever with other uncomfortable symptoms, but do not use antipyretics solely to reduce body temperature. 1

Understanding Fever

Fever is a natural defense mechanism against infection. It works by:

  • Augmenting immune cell performance
  • Inducing stress on pathogens directly
  • Combining with other stressors to provide nonspecific immune defense 2

Research suggests that fever may provide a survival benefit during infections, and randomized trials do not support routine fever reduction in patients with infections 2.

When to Seek Medical Attention

Stop self-treatment and consult a doctor if:

  • Fever gets worse or lasts more than 3 days
  • New symptoms develop
  • Redness or swelling appears
  • Pain worsens or lasts more than 10 days 3

These could indicate a serious condition requiring medical evaluation.

Practical Fever Management Steps

Do:

  • Stay hydrated: Drink fluids regularly, but limit to no more than 2 liters per day 1
  • Take paracetamol (acetaminophen) if you have fever with other uncomfortable symptoms that would benefit from treatment 1
  • Continue medications only while symptoms persist 1

Don't:

  • Don't use antipyretics solely to reduce body temperature 1
  • Avoid physical cooling methods like cold bathing or tepid sponging as they cause discomfort and are not recommended 1, 4

Special Considerations

For COVID-19:

  • Paracetamol is preferred over NSAIDs for fever management in COVID-19 patients until more evidence is available 1
  • Consider allowing fever to run its course as it may help fight the infection 2

For Children with Febrile Seizures:

  • Treat fever to promote comfort and prevent dehydration 1
  • Ensure adequate fluid intake 1
  • Use paracetamol as the preferred antipyretic 1

Common Pitfalls to Avoid

  1. Overtreatment of fever: Remember that fever itself is not harmful in most cases and is part of the body's defense mechanism 2
  2. Inadequate hydration: Dehydration can worsen fever symptoms and overall condition
  3. Using physical cooling methods: These often cause discomfort and are not recommended 1, 4
  4. Ignoring warning signs: Persistent or worsening fever may indicate a serious condition requiring medical attention 3

By following these evidence-based guidelines, you can effectively manage your fever while supporting your body's natural defense mechanisms.

References

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Research

Let fever do its job: The meaning of fever in the pandemic era.

Evolution, medicine, and public health, 2021

Guideline

Febrile Convulsions in Infants

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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